var vm = new Vue({
	el: '#app',
	data: {
	    // host:host,
        host,
		error_name: false,
		error_password: false,
		error_check_password: false,
		error_phone: false,
		error_allow: false,
		error_sms_code: false,
		sending_flag: false,

		username: '',
		password: '',
		password2: '',
		mobile: '', 
		sms_code: '',
		allow: false,

		sms_code_tip: '获取短信验证码', // 短信验证码a标签文字
		error_sms_code_message: '', // 短信验证码错误提示信息
		error_name_message: '', // 用户名错误信息提示
		error_phone_message: '' // 手机号错误信息提示
	},
	methods: {
		// 检查用户名
		check_username: function (){
			var len = this.username.length;
			if(len<5||len>20) {
			  this.error_name_message = '请输入5-20个字符的用户名';
			  this.error_name = true;
			} else {
			  this.error_name = false;
			}
			// 检查重名
			if (this.error_name == false) {
			  axios.get(this.host + '/usernames/' + this.username + '/count/', {
					  responseType: 'json'
				  })
				  .then(response => {
					  if (response.data.count > 0) {
						  this.error_name_message = '用户名已存在';
						  this.error_name = true;
					  } else {
						  this.error_name = false;
					  }
				  })
				  .catch(error => {
					  console.log(error.response.data);
				  })
			}
		},
		check_pwd: function (){
			var len = this.password.length;
			if(len<8||len>20){
				this.error_password = true;
			} else {
				this.error_password = false;
			}		
		},
		check_cpwd: function (){
			if(this.password!=this.password2) {
				this.error_check_password = true;
			} else {
				this.error_check_password = false;
			}		
		},
		// 检查手机号
		check_phone: function (){
				  var re = /^1[345789]\d{9}$/;
				  if(re.test(this.mobile)) {
					  this.error_phone = false;
				  } else {
					  this.error_phone_message = '您输入的手机号格式不正确';
					  this.error_phone = true;
				  }
				  if (this.error_phone == false) {
					  axios.get(this.host + '/mobiles/'+ this.mobile + '/count/', {
							  responseType: 'json'
						  })
						  .then(response => {
							  if (response.data.count > 0) {
								  this.error_phone_message = '手机号已存在';
								  this.error_phone = true;
							  } else {
								  this.error_phone = false;
							  }
						  })
						  .catch(error => {
							  console.log(error.response.data);
						  })
				  }
			  },
		check_sms_code: function(){
			if(!this.sms_code){
				this.error_sms_code = true;
			} else {
				this.error_sms_code = false;
			}
		},
		check_allow: function(){
			if(!this.allow) {
				this.error_allow = true;
			} else {
				this.error_allow = false;
			}
		},
		// 发送短信验证码
		send_sms_code: function(){
			if (this.sending_flag == true) {
				return;
			}
			this.sending_flag = true;
		
			// 校验参数，保证输入框有数据填写
			this.check_phone();
		
			if (this.error_phone == true) {
				this.sending_flag = false;
				return;
			}
		
			// 向后端接口发送请求，让后端发送短信验证码
			// axios.get('http://127.0.0.1:8000' + '/sms_codes/' + this.mobile + '/', {
            axios.get(this.host + '/sms_codes/' + this.mobile + '/', {
					responseType: 'json'
				})
				.then(response => {
					// 表示后端发送短信成功
					// 倒计时60秒，60秒后允许用户再次点击发送短信验证码的按钮
					var num = 60;
					// 设置一个计时器
					var t = setInterval(() => {
						if (num == 1) {
							// 如果计时器到最后, 清除计时器对象
							clearInterval(t);
							// 将点击获取验证码的按钮展示的文本回复成原始文本
							this.sms_code_tip = '获取短信验证码';
							// 将点击按钮的onclick事件函数恢复回去
							this.sending_flag = false;
						} else {
							num -= 1;
							// 展示倒计时信息
							this.sms_code_tip = num + '秒';
						}
					}, 1000, 60)
				})
				.catch(error => {
					if (error.response.status == 400) {
						// 展示发送短信错误提示
							  this.error_sms_code = true;
							  this.error_sms_code_message = error.response.data.message;
					} else {
						console.log(error.response.data);
					}
					this.sending_flag = false;
				})
		},
		
		
		// 注册
      on_submit: function(){
          this.check_username();
          this.check_pwd();
          this.check_cpwd();
          this.check_phone();
          this.check_sms_code();
          this.check_allow();

          if(this.error_name == false && this.error_password == false && this.error_check_password == false
              && this.error_phone == false && this.error_sms_code == false && this.error_allow == false) {
              axios.post(this.host + '/users/', {
                      username: this.username,
                      password: this.password,
                      password2: this.password2,
                      mobile: this.mobile,
                      sms_code: this.sms_code,
                      allow: this.allow.toString()
                  }, {
                      responseType: 'json'
                  })
                  .then(response => {
                      // 记录用户的登录状态
						sessionStorage.clear();
						localStorage.clear();
						localStorage.token = response.data.token;
						localStorage.username = response.data.username;
						localStorage.user_id = response.data.id;
						location.href = '/index.html';
                  })
                  .catch(error=> {
                      if (error.response.status == 400) {
                          if ('non_field_errors' in error.response.data) {
                              this.error_sms_code_message = error.response.data.non_field_errors[0];
                          } else {
                              this.error_sms_code_message = '数据有误';
                          }
                          this.error_sms_code = true;
                      } else {
                          console.log(error.response.data);
                      }
                  })
          }
      }
	}
});
